HEIDENHAIN ITNC 530 - Machine Operating Panel; Designation and Position of Connectors; Pin Layouts on MB 420

July 2010 27 – 499
27.7 Machine Operating Panel
27.7.1 Designation and position of connectors
MB 420
MB 520
27.7.2 Pin Layouts on MB 420
X1:
Connection to MC
See “X46: Machine operating panel” on page 27 – 474.
X2:
Connection of NC
start and NC stop
key
The NC start key and the NC stop key are connected with the MB 420 via X2.
X3:
PLC Inputs
Terminal Pin layout
1 I151
2 I152
3+24 V
Note
These PLC inputs are connected to the control via the D-Sub connector X1 (MC, connector
X46).